Features 1. This product simulates the detoxification reaction of the human body after being bitten by mosquitoes, and rapidly metabolizes the itching substances caused by mosquito bites through pulse technology and temperature. This is a safe, reliable, and non allergenic key anti itch measure. 2. Built in linear motor vibration sensor with fast response capability and low-power design, providing a comfortable massage experience and relieving unbearable itching. By reducing the obstruction area of local blood vessels, it effectively promotes the accelerated flow of blood circulation in the obstructed area. 3. Use slight heat collection and provide heat. Through infrared pulse technology, heat is evenly distributed in the central processing unit of the skin, even if the proteins in mosquito saliva cause unbearable itching. Reduce itching caused by mosquito bites by applying anesthesia and pulsed photoelectric effects to the skin. 4. 8S can effectively alleviate itching. Just press the button, and the itching will be relieved. Specifications Product size: 17 * 3 * 3CM Product weight: 25 grams Weight with packaging: 61 grams Packaging size: 15 * 10 * 3.5CM Material: ABS Package Include: 1 * Anti itch pen